This geeky aluminum necklace can enlighten your style with its LED that flashes when you press it in the manner of a real button start-up. A wink for a great "iNecklace" pendant is inspired by the famous "Power" button presented on all computers.

Designed by Adafruit and available online for 75 dollars, or make your own with all the instruction proposed here, Discover all the details in images and video!